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Avatar for One Hour Heating & Air Conditioning - Indianapolis

One Hour Heating & Air Conditioning - Indianapolis

4.85(
464
)
Approved Pro

One Hour Heating & Air Conditioning - Indianapolis

4.85(
464
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
1995 years of experience

One Hour Heating & Air Conditioning® has delivered reliable residential HVAC services to Indianapolis and surrounding areas for over 100 years. Whether you need routine maintenance to help extend the life of your system, an emergency repair, or a new system installed, you can trust our highly-trained HVAC professionals to take care of you and your home. And because we know you have a lot on your plate, we’re available 24/7 and keep our trucks stocked with parts for same-day repairs. Call us today and get worry-free service backed by our 100% Satisfaction Guarantee.

"This was a 2nd opinion on our 24 year old furnace that another pro said we either needed to replace the Blower motor ($1200) or replace the system entirely. The Tech checked our system and said all is well for now and the system is running well. Thanks "

John S on December 2025

One Hour Heating & Air Conditioning® has delivered reliable residential HVAC services to Indianapolis and surrounding areas for over 100 years. Whether you need routine maintenance to help extend the life of your system, an emergency repair, or a new system installed, you can trust our highly-trained HVAC professionals to take care of you and your home. And because we know you have a lot on your plate, we’re available 24/7 and keep our trucks stocked with parts for same-day repairs. Call us today and get worry-free service backed by our 100% Satisfaction Guarantee.

"This was a 2nd opinion on our 24 year old furnace that another pro said we either needed to replace the Blower motor ($1200) or replace the system entirely. The Tech checked our system and said all is well for now and the system is running well. Thanks "

John S on December 2025


Gwendolyn's Rose

New on AngiNew on Angi
Approved Pro

Gwendolyn's Rose

New on AngiNew on Angi
Approved Pro

As the proud owner of a small, minority-owned janitorial company, I bring years of hands-on experience and a proven history of delivering exceptional cleaning services to both homes and businesses. My team and I take pride in going above and beyond—paying attention to the smallest details, using professional-grade equipment, and treating every space as if it were our own. What sets us apart is our commitment to reliability, trust, and personal service. Choosing my company means partnering with a business that values integrity, supports local growth, and works tirelessly to keep your property spotless and welcoming. When you hire us, you’re not just getting a cleaning service—you’re investing in quality, consistency, and a company that truly cares about your satisfaction.

As the proud owner of a small, minority-owned janitorial company, I bring years of hands-on experience and a proven history of delivering exceptional cleaning services to both homes and businesses. My team and I take pride in going above and beyond—paying attention to the smallest details, using professional-grade equipment, and treating every space as if it were our own. What sets us apart is our commitment to reliability, trust, and personal service. Choosing my company means partnering with a business that values integrity, supports local growth, and works tirelessly to keep your property spotless and welcoming. When you hire us, you’re not just getting a cleaning service—you’re investing in quality, consistency, and a company that truly cares about your satisfaction.


R&M Pressure Restoration

New on AngiNew on Angi
Approved Pro

R&M Pressure Restoration

New on AngiNew on Angi
Approved Pro

Hey, I’m Walter owner of R&M Pressure Restoration. We are a small but strong company. Dedicated to getting the job done and giving full customer satisfaction. Your home is your castle and it should be treated as such. We properly wash your home to give it that glow of when you first moved in. Walkways and Decks will pop like you built them yesterday. Let me us bring that shine and luster back to light. It’s just beneath the surface !!

Hey, I’m Walter owner of R&M Pressure Restoration. We are a small but strong company. Dedicated to getting the job done and giving full customer satisfaction. Your home is your castle and it should be treated as such. We properly wash your home to give it that glow of when you first moved in. Walkways and Decks will pop like you built them yesterday. Let me us bring that shine and luster back to light. It’s just beneath the surface !!


"The technician arrived right on time, checked the furnace and humidifier, changed the filter and was finished in less than an hour. He was very pleasant and answered any questions I had."

Nancy S on November 2025

Commercial Service is a locally owned heating and cooling company that has served the community since 1946. Call us today!

"The technician arrived right on time, checked the furnace and humidifier, changed the filter and was finished in less than an hour. He was very pleasant and answered any questions I had."

Nancy S on November 2025


Avatar for Mark IV Environmental Systems Inc

Mark IV Environmental Systems Inc

4.83(
926
)

Mark IV Environmental Systems Inc

4.83(
926
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

We have been in business for over 35 years. Our technicians are trained experts and certified in the diagnosis, repair and installation of heating, cooling and refrigeration equipment. We take pride in our work and strive to provide the highest quality service available. Your family’s comfort and satisfaction is our number one concern.

"During a heat wave in August with temps in the 90s, our air conditioner went out. We had a technician come out on Monday morning who recommended replacement of our unit. I purchased the Enhanced Service Plan for $250 which would provide two annual maintenance services. I was told that the office would call us back with an estimate. Near the end of the day, we called and asked for an estimate and were told we would receive one in the morning. We waited until after noon on Tuesday to make a decision on which company to go with after receiving 2 other estimates. Given the heat wave and having not received an estimate from Mark IV at that time, we decided to go with a company. I emailed asking if I could receive a refund on the Enhanced Service Plan due to the untimely estimate and the company we ended up going with requiring us to use their service for the first year for warranty purposes. I never received a reply or a refund."

Justin K on September 2023

We have been in business for over 35 years. Our technicians are trained experts and certified in the diagnosis, repair and installation of heating, cooling and refrigeration equipment. We take pride in our work and strive to provide the highest quality service available. Your family’s comfort and satisfaction is our number one concern.

"During a heat wave in August with temps in the 90s, our air conditioner went out. We had a technician come out on Monday morning who recommended replacement of our unit. I purchased the Enhanced Service Plan for $250 which would provide two annual maintenance services. I was told that the office would call us back with an estimate. Near the end of the day, we called and asked for an estimate and were told we would receive one in the morning. We waited until after noon on Tuesday to make a decision on which company to go with after receiving 2 other estimates. Given the heat wave and having not received an estimate from Mark IV at that time, we decided to go with a company. I emailed asking if I could receive a refund on the Enhanced Service Plan due to the untimely estimate and the company we ended up going with requiring us to use their service for the first year for warranty purposes. I never received a reply or a refund."

Justin K on September 2023


Avatar for Bolls Heating & Cooling

Bolls Heating & Cooling

4.87(
557
)

Bolls Heating & Cooling

4.87(
557
)
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

Bolls Heating & Cooling has been providing homeowners and business owners in Indianapolis and beyond with expert heating and air conditioning solutions since 1948. Their NATE-certified technicians offer repairs and installations for heaters, air conditioners, heat pumps, boilers, indoor air quality systems, and more. With over 70 years of experience, they can be trusted to resolve issues quickly and effectively, always providing honest advice without selling you services you don’t need. The respectful team members at Bolls Heating & Cooling pledge to treat your home like their own by wearing shoe covers and thoroughly cleaning their work area after a project is complete. If you need heater or air conditioner repairs at a fair price, Bolls Heating & Cooling is the team to call.

"They're very good, a five star company, we had them for years and it has been excellent."

DON & ANN R on June 2021

Bolls Heating & Cooling has been providing homeowners and business owners in Indianapolis and beyond with expert heating and air conditioning solutions since 1948. Their NATE-certified technicians offer repairs and installations for heaters, air conditioners, heat pumps, boilers, indoor air quality systems, and more. With over 70 years of experience, they can be trusted to resolve issues quickly and effectively, always providing honest advice without selling you services you don’t need. The respectful team members at Bolls Heating & Cooling pledge to treat your home like their own by wearing shoe covers and thoroughly cleaning their work area after a project is complete. If you need heater or air conditioner repairs at a fair price, Bolls Heating & Cooling is the team to call.

"They're very good, a five star company, we had them for years and it has been excellent."

DON & ANN R on June 2021


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


Avatar for AMERICAN CARPET CLEANERS

AMERICAN CARPET CLEANERS

4.81(
42
)

AMERICAN CARPET CLEANERS

4.81(
42
)
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Voted BEST CARPET CLEANING COMPANY in Indianapolis by The Indy A List! Locally owned and operated for over 19 yrs. IICRC Certified technicians. We are a FIXED PRICE carpet cleaning company. Never any hidden charges of any kind. No need to worry if one room will count as two, L-shaped rooms, steps, stairs, closets, hallways, family and combination rooms because they are all included no matter what size they are! Absolutely no nickel and dime tactics. One flat rate is all you pay. We will match and beat ANY legitimate competitor's of Angie's list advertise or written quote for same service. When our truck pulls up, the dirt pulls out!

Voted BEST CARPET CLEANING COMPANY in Indianapolis by The Indy A List! Locally owned and operated for over 19 yrs. IICRC Certified technicians. We are a FIXED PRICE carpet cleaning company. Never any hidden charges of any kind. No need to worry if one room will count as two, L-shaped rooms, steps, stairs, closets, hallways, family and combination rooms because they are all included no matter what size they are! Absolutely no nickel and dime tactics. One flat rate is all you pay. We will match and beat ANY legitimate competitor's of Angie's list advertise or written quote for same service. When our truck pulls up, the dirt pulls out!


"I've reviewed Harris before, but have to again show my appreciation for their fantastic service. I turned my AC on for the first time yesterday - and it quit in the afternoon. I left a voice mail explaining that I was getting ready to leave town for a month on Sunday, but had people staying in my house with my pets. Grant called first thing in the morning, made me the first stop of the day, fixed the problem within an hour, bill was reasonable. I trust the guys at Harris completely. IF the problem had required a major repair or replacement, I would have been sad about it, but with complete confidence in their assessment and work. This is an honest company. And they always treat me with courtesy and with respect for my intelligence."

Kelly E on June 2019

We offer service for all makes and models of residential furnaces, air conditioners, and heat pumps as well as some small commercial products. We sell and install Tempstar Equipment.

"I've reviewed Harris before, but have to again show my appreciation for their fantastic service. I turned my AC on for the first time yesterday - and it quit in the afternoon. I left a voice mail explaining that I was getting ready to leave town for a month on Sunday, but had people staying in my house with my pets. Grant called first thing in the morning, made me the first stop of the day, fixed the problem within an hour, bill was reasonable. I trust the guys at Harris completely. IF the problem had required a major repair or replacement, I would have been sad about it, but with complete confidence in their assessment and work. This is an honest company. And they always treat me with courtesy and with respect for my intelligence."

Kelly E on June 2019


"very responsive and very professional work. Have relied on them for the past 15 years."

Thomas M on September 2020

Family owned & operated since 1965. See website for additional service areas. Additional address - PO Box 518, Bloomington, IN 47402.

"very responsive and very professional work. Have relied on them for the past 15 years."

Thomas M on September 2020

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Air Duct Cleaning questions, answered by experts

Finding mold in an HVAC system is never fun, but the good news is you can clean it and send those spores packing. That being said, hiring a helping hand may be necessary to fully remove the mold and prevent regrowth. Professionals use specialized tools and cleaners, such as antimicrobial solutions and HEPA vacuums, to safely remove mold from ducts, coils, and other components. For small amounts of mold, homeowners can clean visible areas using a mix of water and detergent, but they must wear protective gear and avoid spreading spores.

It is common for mold to grow around air vents, especially in areas with high humidity or moisture problems. These vents provide a perfect environment for mold to thrive due to the condensation caused by the meeting of warm and cool air. Mold growth can be accelerated by the presence of dust and debris around the vents. Regular maintenance, proper ventilation, and addressing any water leaks or excess humidity can prevent the growth of mold around air vents.

To avoid air duct cleaning scams, be cautious of offers that seem too good to be true, as they often lead to substandard services or unexpected charges. Always seek a second opinion if a contractor claims to find major issues like mold or asbestos. Hire a NADCA-certified professional to ensure you're working with a previously-vetted company or technician.

Seeing black dots around the air vents is alarming, but don’t worry. It’s probably just a build-up of soot and darkened dust. Soot is just a byproduct of burning organic materials, so it tends to form in the winter months.

You can add return vent filters to your HVAC system to help remove contaminants from the air. However, you should avoid adding return vent filters if your HVAC system already has a filter in its air handler. Filters can restrict airflow, which will make your HVAC system work harder.

The Ellettsville, IN homeowners’ guide to air duct cleaning services

From average costs to expert advice, get all the answers you need to get your job done.

What do you need done? We’ll find top pros.
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